Home / 1,212,247.84-1,672,787.82-702,895

Finding the Fourth Proportional to 1,212,247.84, 1,672,787.82 and 702,895

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Solution

The fourth proportional to 1,212,247.84, 1,672,787.82 and 702,895 is: 969,928.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,212,247.84 : 1,672,787.82 = 702,895 : x
  2. Step 2: Convert to fraction form
    1,212,247.84/1,672,787.82 = 702,895/x
  3. Step 3: Cross multiply
    1,212,247.84x = 1,672,787.82 × 702,895
  4. Step 4: Simplify right side
    1,212,247.84x = 1,175,794,194,738.90
  5. Step 5: Solve for x
    x = 1,175,794,194,738.90/1,212,247.84
  6. Step 6: Final answer
    x = 969,928.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.